Frequencies for first 10,000 rows of drg5ing2 variable in nhamcsopd2002 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,946 99.46 99.46 50728 | 1 0.01 99.47 51708 | 1 0.01 99.48 53720 | 1 0.01 99.49 53780 | 3 0.03 99.52 53820 | 1 0.01 99.53 54330 | 1 0.01 99.54 55240 | 1 0.01 99.55 55925 | 2 0.02 99.57 55997 | 5 0.05 99.62 56193 | 1 0.01 99.63 56194 | 1 0.01 99.64 56345 | 1 0.01 99.65 56445 | 3 0.03 99.68 57130 | 4 0.04 99.72 57146 | 3 0.03 99.75 57166 | 1 0.01 99.76 70150 | 1 0.01 99.77 70217 | 5 0.05 99.82 70231 | 2 0.02 99.84 70269 | 4 0.04 99.88 70333 | 1 0.01 99.89 70341 | 3 0.03 99.92 70359 | 2 0.02 99.94 70363 | 1 0.01 99.95 70565 | 2 0.02 99.97 70586 | 2 0.02 99.99 70603 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016